CN217341395U

CN217341395U - Polymerization kettle capable of reducing bonding of high-viscosity materials

Info

Publication number: CN217341395U
Application number: CN202221319416.6U
Authority: CN
Inventors: 石代嗯; 蔡子琦; 时振方; 马鑫; 高�正明
Original assignee: Beijing Mixwell Mixing Equipment Co ltd; Gu'an Meishihua Mixing Equipment Co ltd
Current assignee: Beijing Mixwell Mixing Equipment Co ltd; Gu'an Meishihua Mixing Equipment Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-09-02
Anticipated expiration: 2032-05-30

Abstract

The application provides a polymerization kettle for reducing bonding of high-viscosity materials, which comprises a polymerization kettle body, wherein a polymerization cavity is arranged in the polymerization kettle body, and a feeding hole and a discharging hole which are communicated with the polymerization cavity are formed in the polymerization kettle body; the stirring piece is rotatably arranged in the polymerization cavity along the central axis of the polymerization kettle body; the stirring piece is provided with a plurality of transmission shafts parallel to the central axis, and a fixed space is formed among the transmission shafts; the helical ribbon paddle is spirally arranged in the fixed space and is connected with the transmission shaft; the driving device is used for driving the stirring piece to rotate around the central axis; because the transmission shaft is not on the central axis, the transmission shaft can obtain higher linear velocity when rotating around the central axis, and when the high-viscosity polymer is adhered on the transmission shaft, the high-viscosity polymer can be thrown out from the transmission shaft under the action of centrifugal force, thereby solving the problem that the high-viscosity polymer can be adhered on the stirring shaft and increasing the yield.

Description

Polymerization kettle capable of reducing bonding of high-viscosity materials

Technical Field

The present disclosure relates generally to the field of polymerization equipment, and more particularly to a polymerizer that reduces the adhesion of high viscosity materials.

Background

When polymerization reaction is carried out in a polymerization kettle, a stirrer is required to stir reactants, and because the linear velocity of the surface of the stirring shaft is small, some high-viscosity polymers can be adhered to the stirring shaft, so that the rotation of the stirring shaft is influenced and the yield is reduced.

Disclosure of Invention

In view of the above-mentioned deficiencies or inadequacies of the prior art, it would be desirable to provide a polymerization kettle that reduces the sticking of high viscosity materials comprising: the polymerization kettle comprises a polymerization kettle body, wherein a polymerization cavity is arranged in the polymerization kettle body, and a feed inlet and a discharge outlet which are communicated with the polymerization cavity are arranged on the polymerization kettle body;

the stirring piece is rotatably arranged in the polymerization cavity along the central axis of the polymerization kettle body; the stirring piece is provided with a plurality of transmission shafts parallel to the central axis, and a fixed space is formed among the transmission shafts;

the spiral belt paddle is spirally arranged in the fixed space and is connected with the transmission shaft;

a drive means for driving the stirring member to rotate about the central axis.

According to the technical scheme provided by the embodiment of the application, one side of the transmission shaft, which is close to the inner wall of the polymerization kettle, is provided with a scraper.

According to the technical scheme provided by the embodiment of the application, a plurality of connecting shafts are arranged between two adjacent transmission shafts.

According to the technical scheme that this application embodiment provided, drive arrangement fixes on one of reation kettle body outer wall serves, drive arrangement includes driving motor and reduction gear, driving motor's output with the input of reduction gear is connected, the output of reduction gear is connected with the drive shaft, the drive shaft stretch into to in the polymerization chamber and with the stirring piece is connected.

According to the technical scheme provided by the embodiment of the application, the feeding hole is formed in one end, far away from the driving device, of the polymerization kettle body, and the discharging hole is formed in one end, far away from the feeding hole, of the polymerization kettle body.

According to the technical scheme provided by the embodiment of the application, the jacketed heat exchanger is arranged on the polymerization kettle body, and a heat exchange medium is filled in the heat exchanger.

In conclusion, the beneficial effects of the application are that: when the polymerization reaction is carried out, firstly, reactants are introduced into the polymerization cavity through the feed inlet, then, the driving device is started, the driving device drives the stirring piece to rotate around the central axis, and the reactants are stirred to be uniformly mixed;

the stirring piece is provided with a plurality of transmission shafts parallel to the central axis, a fixed space is formed between the transmission shafts, the ribbon propeller is spirally arranged in the fixed space and connected with the transmission shafts, and the transmission shafts are not arranged on the central axis, so that the transmission shafts can obtain higher linear velocity when rotating around the central axis, and high-viscosity polymers can be thrown out of the transmission shafts under the action of centrifugal force when being bonded on the transmission shafts, thereby solving the problems that the linear velocity of the surface of the stirring shaft positioned on the central axis of the polymer is low when the stirring shaft rotates, and high-viscosity substances can be bonded on the stirring shaft, and simultaneously increasing the yield.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a polymerization vessel for reducing the sticking of high viscosity materials according to the present invention.

Reference numerals:

1. a polymeric kettle body; 11. a feed inlet; 12. a discharge port; 21. a drive shaft; 22. a drive shaft; 23. a helical ribbon paddle; 24. a connecting shaft; 31. a drive motor; 32. a speed reducer; 4. a heat exchanger; 5. a scraper.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

Referring to fig. 1, a schematic structural diagram of a polymerization kettle for reducing high-viscosity adhesion provided in this embodiment includes:

the polymerization kettle comprises a polymerization kettle body 1, wherein a polymerization cavity is arranged in the polymerization kettle body 1, and a feeding hole 11 and a discharging hole 12 which are communicated with the polymerization cavity are arranged on the polymerization kettle body 1;

the stirring piece is rotatably arranged in the polymerization cavity along the central axis of the polymerization kettle body 1; the stirring piece is provided with a plurality of transmission shafts 22 parallel to the central axis, and a fixed space is formed between the transmission shafts 22;

the ribbon paddle 23 is spirally arranged in the fixed space and is connected with the transmission shaft 22;

a drive means for driving the stirring member to rotate about the central axis.

In this embodiment, polymeric kettle body 1 is stainless steel's cylinder, polymeric kettle body 1 is fixed through the support frame, feed inlet 11 is equipped with cylinder charge-in pipeline, discharge gate 12 is equipped with the ejection of compact pipeline of cylinder.

In this embodiment, the stirring member has two transmission shafts 22 parallel to the central axis, and the transmission shafts 22 are made of stainless steel.

In this embodiment, the spiral shell area oar 23 is two spiral shell area oars, the spiral shell area oar 23 adopts stainless steel, the spiral shell area oar 23 with the transmission shaft 22 welding, the spiral shell area oar 23 spiral set up in the fixed space, when stirring the reactant, enable reactant intensive mixing.

The working principle is as follows: when the polymerization reaction is carried out, firstly introducing reactants into the polymerization cavity from the feed inlet 11, then starting the driving device, driving the stirring piece to rotate around the central axis by the driving device, and stirring the reactants to uniformly mix the reactants;

the stirring piece is provided with a plurality of transmission shafts 22 parallel to the central axis, a fixed space is formed among the transmission shafts 22, the ribbon paddles 23 are spirally arranged in the fixed space and connected with the transmission shafts 22, and the transmission shafts 22 are not arranged on the central axis, so that the transmission shafts 22 can obtain higher linear velocity when rotating around the central axis, and when the high-viscosity polymer is bonded on the transmission shafts 22, the high-viscosity polymer can be thrown out of the transmission shafts 22 under the action of centrifugal force, the problem that the high-viscosity polymer can be bonded on the stirring shaft when the stirring shaft positioned on the central axis of the polymer rotates due to low surface linear velocity is solved, and the yield can be increased.

In a preferred embodiment, a scraper 5 is arranged on one side of the transmission shaft 22 close to the inner wall of the polymerization kettle.

Specifically, the scrapers 5 are uniformly arranged on one side of the transmission shaft 22 close to the inner wall of the polymerization kettle; during the polymerization reaction, the scraper 5 rotates around the central axis along with the transmission shaft 22, and further scrapes and cleans the polymer adhered to the inner wall of the polymerization kettle, so as to reduce the polymer adhered to the inner wall of the polymerization kettle, avoid waste of products and increase the reaction yield.

In a preferred embodiment, a plurality of connecting shafts 24 are arranged between two adjacent transmission shafts 22.

In this embodiment, four connecting shafts 24 are provided, the connecting shafts 24 are perpendicular to the central axis, and two ends of the connecting shafts 24 are respectively welded to the transmission shafts 22.

In a preferred embodiment, the driving device is fixed on one end of the outer wall of the reaction kettle body, the driving device comprises a driving motor 31 and a speed reducer 32, the output end of the driving motor 31 is connected with the input end of the speed reducer 32, the output end of the speed reducer 32 is connected with a driving shaft 21, and the driving shaft 21 extends into the polymerization cavity and is connected with the stirring piece.

In particular, the drive shaft 21 is welded to a connecting shaft 24 adjacent to the drive means.

In a preferred embodiment, the feeding port 11 is opened at one end of the polymerizer body 1 far from the driving device, and the discharging port 12 is opened at one end of the polymerizer body 1 far from the feeding port 11.

The polymerization reaction in this embodiment is a continuous polymerization reaction, the reactant enters the polymerization chamber from the feed port 11 for polymerization, and the product is extruded from the discharge port 12.

In a preferred embodiment, the polymerization kettle body 1 is provided with a jacketed heat exchanger 4, and the heat exchanger 4 is filled with a heat exchange medium.

Specifically, the heat exchanger 4 is filled with a required heat exchange medium according to the temperature required by the polymerization reaction;

in this embodiment, cooling water is continuously introduced into the heat exchanger 4 to cool the polymerization chamber.

The foregoing description is only exemplary of the preferred embodiments of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention according to the present application is not limited to the specific combination of the above-mentioned features, but also covers other embodiments where any combination of the above-mentioned features or their equivalents is made without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims

1. A polymerization kettle for reducing the adhesion of high-viscosity materials, comprising:

the polymerization kettle comprises a polymerization kettle body (1), wherein a polymerization cavity is arranged in the polymerization kettle body (1), and a feeding hole (11) and a discharging hole (12) which are communicated with the polymerization cavity are formed in the polymerization kettle body (1);

the stirring piece is rotatably arranged in the polymerization cavity along the central axis of the polymerization kettle body; the stirring piece is provided with a plurality of transmission shafts (22) parallel to the central axis, and a fixed space is formed between the transmission shafts (22);

the ribbon paddle (23), the ribbon paddle (23) is spirally arranged in the fixed space and is connected with the transmission shaft (22);

a drive means for driving the stirring member to rotate about the central axis.

2. The polymerizer vessel for reducing adhesion of highly viscous materials, according to claim 1, wherein the drive shaft (22) is provided with a scraper (5) on a side thereof adjacent to the inner wall of the polymerizer vessel.

3. A polymerizer vessel for reducing adhesion of high-viscosity materials, according to claim 2, wherein a plurality of connecting shafts (24) are provided between two adjacent driving shafts (22).

4. The polymerizer vessel for reducing adhesion of high-viscosity materials, according to claim 1, wherein the driving device is fixed on one end of the outer wall of the polymerizer vessel body (1), the driving device comprises a driving motor (31) and a speed reducer (32), an output end of the driving motor (31) is connected with an input end of the speed reducer (32), an output end of the speed reducer (32) is connected with a driving shaft (21), and the driving shaft (21) extends into the polymerizer vessel and is connected with the stirring member.

5. A polymerizer vessel for reducing the sticking of highly viscous materials, according to claim 3, wherein the feed port (11) is provided at an end of the polymerizer vessel body (1) remote from the driving means, and the discharge port (12) is provided at an end of the polymerizer vessel body (1) remote from the feed port (11).

6. The polymerizer for reducing the bonding of high-viscosity materials according to claim 4, wherein a jacketed heat exchanger (4) is arranged on the polymerizer body, and a heat exchange medium is filled in the heat exchanger (4).